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ASTM B817 Type II vs. Grade CW12MW Nickel

ASTM B817 type II belongs to the titanium alloys classification, while grade CW12MW nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is grade CW12MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
220
Elongation at Break, % 3.0 to 13
4.6
Fatigue Strength, MPa 390 to 530
130
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
85
Tensile Strength: Ultimate (UTS), MPa 900 to 960
560
Tensile Strength: Yield (Proof), MPa 780 to 900
310

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Maximum Temperature: Mechanical, °C 350
960
Melting Completion (Liquidus), °C 1580
1610
Melting Onset (Solidus), °C 1530
1560
Specific Heat Capacity, J/kg-K 550
410
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
70
Density, g/cm3 4.6
9.1
Embodied Carbon, kg CO2/kg material 40
13
Embodied Energy, MJ/kg 650
180
Embodied Water, L/kg 220
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
22
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
22
Strength to Weight: Axial, points 55 to 58
17
Strength to Weight: Bending, points 45 to 47
17
Thermal Shock Resistance, points 62 to 66
16

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0 to 0.12
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 0.35 to 1.0
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
4.5 to 7.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
16 to 18
Nickel (Ni), % 0
49.2 to 60.1
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0
Tungsten (W), % 0
3.8 to 5.3
Vanadium (V), % 5.0 to 6.0
0.2 to 0.4
Residuals, % 0 to 0.4
0